All of Rosemary's songs (including "Happy To Keep His Dinner Warm" and "Paris Original") were cut from the movie version. To make up for this "I Believe In You" was given to her for the movie. In the stage play, she does not sing this to him, and the first time it is heard is during the scene where Finch sings it to himself in the executive washroom, but she does a brief reprise of the song after this scene. In the film, she sings the full version in an earlier scene, making Finch's washroom version the reprise.